Scanerr
Your site's primary care doctor.
Scanerr launched on March 14, 2023 with 71 votes, #1,191 of 5,007 launches that month and more than 50% of that year's launches.
In plain words
Scanerr monitors websites for changes and issues by tracking over 90 web metrics, running visual regression tests, and performing automated unit testing. It alerts users when problems arise, helping site owners catch breaking changes early. The tool is designed for developers and site maintainers who need continuous monitoring and offers an open API for custom integrations and alerts. A free tier is available to get started.
written from the facts on this page · October 2026
From the sources
Never miss the small, breaking changes to your Sites again. Scanerr is your Site's new Primary Care Doctor. Over 90 Web Metrics, Visual Regression Tests, and Automated Unit Testing. 🤖 Open API 📲 Custom Alerting ✅ Free to get started
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